Home / 123,715,084.88-170,726,811.72-68,716,058.96

Finding the Fourth Proportional to 123,715,084.88, 170,726,811.72 and 68,716,058.96

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Solution

The fourth proportional to 123,715,084.88, 170,726,811.72 and 68,716,058.96 is: 94,828,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,715,084.88 : 170,726,811.72 = 68,716,058.96 : x
  2. Step 2: Convert to fraction form
    123,715,084.88/170,726,811.72 = 68,716,058.96/x
  3. Step 3: Cross multiply
    123,715,084.88x = 170,726,811.72 × 68,716,058.96
  4. Step 4: Simplify right side
    123,715,084.88x = 11,731,673,660,204,338
  5. Step 5: Solve for x
    x = 11,731,673,660,204,338/123,715,084.88
  6. Step 6: Final answer
    x = 94,828,158.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.